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BaseMultivariateOptimizer (Commons Math 3.2 API)
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org.apache.commons.math3.optim</FONT>
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Class BaseMultivariateOptimizer&lt;PAIR&gt;</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
  <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html" title="class in org.apache.commons.math3.optim">org.apache.commons.math3.optim.BaseOptimizer</A>&lt;PAIR&gt;
      <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.commons.math3.optim.BaseMultivariateOptimizer&lt;PAIR&gt;</B>
</PRE>
<DL>
<DT><DT><B>Type Parameters:</B><DD><CODE>PAIR</CODE> - Type of the point/value pair returned by the optimization
 algorithm.</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../org/apache/commons/math3/optim/BaseMultiStartMultivariateOptimizer.html" title="class in org.apache.commons.math3.optim">BaseMultiStartMultivariateOptimizer</A>, <A HREF="../../../../../org/apache/commons/math3/optim/nonlinear/scalar/MultivariateOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.scalar">MultivariateOptimizer</A>, <A HREF="../../../../../org/apache/commons/math3/optim/nonlinear/vector/MultivariateVectorOptimizer.html" title="class in org.apache.commons.math3.optim.nonlinear.vector">MultivariateVectorOptimizer</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public abstract class <B>BaseMultivariateOptimizer&lt;PAIR&gt;</B><DT>extends <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html" title="class in org.apache.commons.math3.optim">BaseOptimizer</A>&lt;PAIR&gt;</DL>
</PRE>

<P>
Base class for implementing optimizers for multivariate functions.
 It contains the boiler-plate code for initial guess and bounds
 specifications.
 <em>It is not a "user" class.</em>
<P>

<P>
<DL>
<DT><B>Since:</B></DT>
  <DD>3.1</DD>
<DT><B>Version:</B></DT>
  <DD>$Id: BaseMultivariateOptimizer.java 1443444 2013-02-07 12:41:36Z erans $</DD>
</DL>
<HR>

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<!-- =========== FIELD SUMMARY =========== -->

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&nbsp;<A NAME="fields_inherited_from_class_org.apache.commons.math3.optim.BaseOptimizer"><!-- --></A>
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<TH ALIGN="left"><B>Fields inherited from class org.apache.commons.math3.optim.<A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html" title="class in org.apache.commons.math3.optim">BaseOptimizer</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#evaluations">evaluations</A>, <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#iterations">iterations</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected </CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html#BaseMultivariateOptimizer(org.apache.commons.math3.optim.ConvergenceChecker)">BaseMultivariateOptimizer</A></B>(<A HREF="../../../../../org/apache/commons/math3/optim/ConvergenceChecker.html" title="interface in org.apache.commons.math3.optim">ConvergenceChecker</A>&lt;<A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html" title="type parameter in BaseMultivariateOptimizer">PAIR</A>&gt;&nbsp;checker)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<!-- ========== METHOD SUMMARY =========== -->

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<CODE>&nbsp;double[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html#getLowerBound()">getLowerBound</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;double[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html#getStartPoint()">getStartPoint</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the initial guess.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;double[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html#getUpperBound()">getUpperBound</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html" title="type parameter in BaseMultivariateOptimizer">PAIR</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html#optimize(org.apache.commons.math3.optim.OptimizationData...)">optimize</A></B>(<A HREF="../../../../../org/apache/commons/math3/optim/OptimizationData.html" title="interface in org.apache.commons.math3.optim">OptimizationData</A>...&nbsp;optData)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stores data and performs the optimization.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html#parseOptimizationData(org.apache.commons.math3.optim.OptimizationData...)">parseOptimizationData</A></B>(<A HREF="../../../../../org/apache/commons/math3/optim/OptimizationData.html" title="interface in org.apache.commons.math3.optim">OptimizationData</A>...&nbsp;optData)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Scans the list of (required and optional) optimization data that
 characterize the problem.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.apache.commons.math3.optim.BaseOptimizer"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.commons.math3.optim.<A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html" title="class in org.apache.commons.math3.optim">BaseOptimizer</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#doOptimize()">doOptimize</A>, <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#getConvergenceChecker()">getConvergenceChecker</A>, <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#getEvaluations()">getEvaluations</A>, <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#getIterations()">getIterations</A>, <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#getMaxEvaluations()">getMaxEvaluations</A>, <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#getMaxIterations()">getMaxIterations</A>, <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#incrementEvaluationCount()">incrementEvaluationCount</A>, <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#incrementIterationCount()">incrementIterationCount</A></CODE></TD>
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<P>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<A NAME="BaseMultivariateOptimizer(org.apache.commons.math3.optim.ConvergenceChecker)"><!-- --></A><H3>
BaseMultivariateOptimizer</H3>
<PRE>
protected <B>BaseMultivariateOptimizer</B>(<A HREF="../../../../../org/apache/commons/math3/optim/ConvergenceChecker.html" title="interface in org.apache.commons.math3.optim">ConvergenceChecker</A>&lt;<A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html" title="type parameter in BaseMultivariateOptimizer">PAIR</A>&gt;&nbsp;checker)</PRE>
<DL>
<DL>
<DT><B>Parameters:</B><DD><CODE>checker</CODE> - Convergence checker.</DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Method Detail</B></FONT></TH>
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<A NAME="optimize(org.apache.commons.math3.optim.OptimizationData...)"><!-- --></A><H3>
optimize</H3>
<PRE>
public <A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html" title="type parameter in BaseMultivariateOptimizer">PAIR</A> <B>optimize</B>(<A HREF="../../../../../org/apache/commons/math3/optim/OptimizationData.html" title="interface in org.apache.commons.math3.optim">OptimizationData</A>...&nbsp;optData)</PRE>
<DL>
<DD>Stores data and performs the optimization.
 <br/>
 The list of parameters is open-ended so that sub-classes can extend it
 with arguments specific to their concrete implementations.
 <br/>
 When the method is called multiple times, instance data is overwritten
 only when actually present in the list of arguments: when not specified,
 data set in a previous call is retained (and thus is optional in
 subsequent calls).
 <br/>
 Important note: Subclasses <em>must</em> override
 <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#parseOptimizationData(org.apache.commons.math3.optim.OptimizationData...)"><CODE>BaseOptimizer.parseOptimizationData(OptimizationData[])</CODE></A> if they need to register
 their own options; but then, they <em>must</em> also call
 <code>super.parseOptimizationData(optData)</code> within that method.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#optimize(org.apache.commons.math3.optim.OptimizationData...)">optimize</A></CODE> in class <CODE><A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html" title="class in org.apache.commons.math3.optim">BaseOptimizer</A>&lt;<A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html" title="type parameter in BaseMultivariateOptimizer">PAIR</A>&gt;</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>optData</CODE> - Optimization data. In addition to those documented in
 <A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#parseOptimizationData(org.apache.commons.math3.optim.OptimizationData...)"><CODE>BaseOptimizer</CODE></A>,
 this method will register the following data:
 <ul>
  <li><A HREF="../../../../../org/apache/commons/math3/optim/InitialGuess.html" title="class in org.apache.commons.math3.optim"><CODE>InitialGuess</CODE></A></li>
  <li><A HREF="../../../../../org/apache/commons/math3/optim/SimpleBounds.html" title="class in org.apache.commons.math3.optim"><CODE>SimpleBounds</CODE></A></li>
 </ul>
<DT><B>Returns:</B><DD>a point/value pair that satifies the convergence criteria.</DL>
</DD>
</DL>
<HR>

<A NAME="parseOptimizationData(org.apache.commons.math3.optim.OptimizationData...)"><!-- --></A><H3>
parseOptimizationData</H3>
<PRE>
protected void <B>parseOptimizationData</B>(<A HREF="../../../../../org/apache/commons/math3/optim/OptimizationData.html" title="interface in org.apache.commons.math3.optim">OptimizationData</A>...&nbsp;optData)</PRE>
<DL>
<DD>Scans the list of (required and optional) optimization data that
 characterize the problem.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html#parseOptimizationData(org.apache.commons.math3.optim.OptimizationData...)">parseOptimizationData</A></CODE> in class <CODE><A HREF="../../../../../org/apache/commons/math3/optim/BaseOptimizer.html" title="class in org.apache.commons.math3.optim">BaseOptimizer</A>&lt;<A HREF="../../../../../org/apache/commons/math3/optim/BaseMultivariateOptimizer.html" title="type parameter in BaseMultivariateOptimizer">PAIR</A>&gt;</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>optData</CODE> - Optimization data. The following data will be looked for:
 <ul>
  <li><A HREF="../../../../../org/apache/commons/math3/optim/InitialGuess.html" title="class in org.apache.commons.math3.optim"><CODE>InitialGuess</CODE></A></li>
  <li><A HREF="../../../../../org/apache/commons/math3/optim/SimpleBounds.html" title="class in org.apache.commons.math3.optim"><CODE>SimpleBounds</CODE></A></li>
 </ul></DL>
</DD>
</DL>
<HR>

<A NAME="getStartPoint()"><!-- --></A><H3>
getStartPoint</H3>
<PRE>
public double[] <B>getStartPoint</B>()</PRE>
<DL>
<DD>Gets the initial guess.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the initial guess, or <code>null</code> if not set.</DL>
</DD>
</DL>
<HR>

<A NAME="getLowerBound()"><!-- --></A><H3>
getLowerBound</H3>
<PRE>
public double[] <B>getLowerBound</B>()</PRE>
<DL>
<DD><DL>

<DT><B>Returns:</B><DD>the lower bounds, or <code>null</code> if not set.</DL>
</DD>
</DL>
<HR>

<A NAME="getUpperBound()"><!-- --></A><H3>
getUpperBound</H3>
<PRE>
public double[] <B>getUpperBound</B>()</PRE>
<DL>
<DD><DL>

<DT><B>Returns:</B><DD>the upper bounds, or <code>null</code> if not set.</DL>
</DD>
</DL>
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